Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 17 · 40 questions

The method (Find the 100%): Name the topic and write its formula. For percent questions, decide which value is the 100%. Check units (₹, km/h, days) and whether the answer is sensible.

1. 1.Aditya can finish a job in 7 days and Saanvi in 21 days. Aditya works alone for 1 day and then stops. Saanvi finishes the rest. How many days does Saanvi take?
2. 2.A price comes down by 20% and then comes down by 40% more. By what percent has it come down in all? =
3. 3.By selling a study lamp for ₹1394, a shopkeeper makes a loss of 15%. What did the study lamp cost the shopkeeper (in ₹)?
4. 4.Vivaan’s father is four times as old as Vivaan. The sum of their ages is 70 years. How old is Vivaan?
5. 5.Rahul can finish a job in 5 days and Pooja in 18 days. What fraction of the job do they finish if they work together for 1 day? =
6. 6.Diya puts ₹13000 in a bank at 11% simple interest per year. How much will she have after 3 years (in ₹)?
7. 7.A pressure cooker marked at ₹2400 is sold for ₹1920. What is the discount percent?
8. 8.By selling a bicycle for ₹560, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
9. 9.10 years ago, Pooja’s mother was four times as old as Pooja. The mother is 38 years old now. How old is Pooja now?
10. 10.What is the difference between the compound interest and the simple interest on ₹45200 at 25% per year for 2 years (in ₹)?
11. 11.Find the compound interest on ₹44000 at 10% per year for 3 years, added every year (in ₹).
12. 12.2 years ago, Ananya’s mother was twice as old as Ananya. The mother is 10 years old now. How old is Ananya now?
13. 13.6 years ago, Ishaan’s mother was four times as old as Ishaan. The mother is 22 years old now. How old is Ishaan now?
14. 14.Kabir can finish a job in 20 days and Manav in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
15. 15.The price of a bicycle is ₹2820. It goes up by 5%. What is the new price (in ₹)?
16. 16.10 years ago, Isha’s mother was three times as old as Isha. The mother is 28 years old now. How old is Isha now?
17. 17.A shop sells an average of 31 kg of sugar a day for 2 days, and then 46 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
18. 18.The average weight of 7 children is 30 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
19. 19.What is the difference between the compound interest and the simple interest on ₹17500 at 4% per year for 2 years (in ₹)?
20. 20.A shopkeeper buys a school bag for ₹1060 and sells it for ₹1484. Find the profit percent.
21. 21.A water tank holds 3540 litres. 30% of the water is used. How many litres are left?
22. 22.Rahul’s batting average after 11 innings is 37 runs. How many runs must Rahul score in the next innings to raise the average to 39?
23. 23.A study lamp bought for ₹1700 is sold at a profit of 30%. What is the selling price (in ₹)?
24. 24.By selling a table fan for ₹1330, a shopkeeper makes a loss of 5%. What did the table fan cost the shopkeeper (in ₹)?
25. 25.A water tank holds 720 litres. 30% of the water is used. How many litres are left?
26. 26.Priya’s father is twice as old as Priya. The sum of their ages is 33 years. How old is Priya?
27. 27.Diya puts ₹3500 in a bank at 2% simple interest per year. How much will she have after 3 years (in ₹)?
28. 28.Marks of 6 friends in a quiz: 49, 57, 54, 65, 65, 22. What is their average mark?
29. 29.A shop sells an average of 49 kg of sugar a day for 6 days, and then 47 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
30. 30.A shop sells an average of 59 kg of sugar a day for 2 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
31. 31.The average weight of 5 children is 45 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
32. 32.Find the amount when ₹29375 is invested at 12% per year compound interest for 2 years (in ₹).
33. 33.How many minutes does a car take to go 12 km at 48 km/h?
34. 34.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
35. 35.By selling a cricket bat for ₹918, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
36. 36.By selling a watch for ₹2010, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?
37. 37.Saanvi can finish a job in 21 days and Kabir in 7 days. Saanvi works alone for 12 days and then stops. Kabir finishes the rest. How many days does Kabir take?
38. 38.A bicycle bought for ₹440 is sold at a profit of 10%. What is the selling price (in ₹)?
39. 39.A school bag is marked at ₹472. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
40. 40.The average of 4 numbers is 39. When one more number is added, the average becomes 42. What number was added?

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